121201053 has 16 divisors (see below), whose sum is σ = 169967616. Its totient is φ = 76673520.

The previous prime is 121201051. The next prime is 121201117. The reversal of 121201053 is 350102121.

It is not a de Polignac number, because 121201053 - 2¹ = 121201051 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121201051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1848 + ... + 15678.

It is an arithmetic number, because the mean of its divisors is an integer number (10622976).

Almost surely, 2^121201053 is an apocalyptic number.

It is an amenable number.

121201053 is a deficient number, since it is larger than the sum of its proper divisors (48766563).

121201053 is a wasteful number, since it uses less digits than its factorization.

121201053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13984.

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 121201053 is about 11009.1349796430. The cubic root of 121201053 is about 494.8825392144.

Adding to 121201053 its reverse (350102121), we get a palindrome (471303174).

The spelling of 121201053 in words is "one hundred twenty-one million, two hundred one thousand, fifty-three".